MESON Chess Problem Database

Problem Display
PID: 31197 (8/3pp3/2p1p3/3kN2R/8/4QK2/8/8 w - - 0 1)

Trcala, Stanislav

Dom i Svet, 1907

8/3pp3/2p1p3/3kN2R/8/4QK2/8/8

#2

4 + 5

3437 Stanislav Trcala Sachovy odkaz 1999
14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Qd2#
      • 2.Qd3#
  • Tries
    • 1.Qc1?
      • 1...Kd4
        • 2.Qc4#
      • 1...d6
        • 2.Qc4#
      • 1...c5
        • 2.Qd2#
        • 2.Qd1#
      • 1...Kd6!
    • 1.Qa7?
      • 1...Kd6
        • 2.Sc4#
        • 2.Sf7#
      • 1...c5
        • 2.Qxd7#
      • 1...d6!
    • 1.Qc3?
      • 1...d6
        • 2.Qc4#
      • 1...c5
        • 2.Qd2#
        • 2.Qd3#
      • 1...Kd6!
  • Keys
    • 1.Qf4!
      • 1...Kc5
        • 2.Sxd7#
      • 1...Kd6
        • 2.Sc4#
        • 2.Sf7#
      • 1...d6
        • 2.Qc4#
      • 1...c5
        • 2.Qd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
        • P(d);SBLOCK::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(b);SBLOCK::QAR2(A),XP(d)
      • Refutation
        • P(d);
    • Try
      • Q(A);
      • Vars
        • P(d);SBLOCK::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);P-FLIGHT::R(D)+S(C),DCHECK,XP(d)
      • P(d);SBLOCK::QAB1(A)
      • P(b);SBLOCK::QAR(A)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).